Hi We have a PTP with two ePMP 1000 5 GHz, in ePTP master/slave mode.
It's a very short link, about 200 meters, with RSSI -53 dBm, tx power -4 dBm, SNR 42 dBm and MCS D/U stable at 15. We see that the session, randomly, is lost, even when the throughput is low (30-40 Mbps).
To reduce downtime to 5-6 seconds, there is only one frequency selected in the frequency list.
I don't know if it's correlated, but when the traffic load is at maximum (~95 Mbps aggregated), load average is unusually high, for a bridge installation: 95 %
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Sorry, forgot to say firmware: 3.0, on both devices. Same problem with 2.6.1.